奥氏体不锈钢厚壁对接焊缝的超声相控阵CIVA仿真与试验  

Ultrasonic Phased Array CIVA Simulation and Experiment of Austenitic Stainless Steel Thick Wall Butt Welds

作　　者：张小龙 张子健 吴家喜 沈建民 许波 周晓彤 ZHANG Xiaolong;ZHANG Zijian;WU Jiaxi;SHEN Jianmin;XU Bo;ZHOU Xiaotong(Ningbo Labor Sa{ety and Technology Services Company,Ningbo 315048,China;Ningbo Special Equipment Inspection and Research Institute,Ningbo 315048,China)

机构地区：[1]宁波市劳动安全技术服务公司,宁波315048 [2]宁波市特种设备检验研究院,宁波315048

出　　处：《无损检测》2018年第9期30-34,51,共6页Nondestructive Testing

基　　金：浙江省质监系统质量技术基础建设资助项目(20180119)

摘　　要：针对奥氏体不锈钢厚壁对接焊缝管道内部缺陷检测的难点,以及为了优化检测工艺和辅助超声信号分析,采用CIVA仿真软件中的超声模块对80mm厚奥氏体不锈钢试块进行了声场模拟与缺陷检测。根据仿真结果,采用设计的带有双面阵相控阵纵波探头的ISONIC2009超声成像系统对试块进行了检测。结果表明,CIVA仿真结果与实际检测结果吻合度较高,CIVA软件可准确、高效地为奥氏体不锈钢厚壁对接焊缝的相控阵检测提供工艺指导,具有较高的应用价值。Aiming at the difficulties of detecting the internal defects of welded seam in austenitic stainless steel,and at optimizing the detection processse and assisting in the analysis of ultrasonic signals,the sound field simulation and defect response for 80 mm thick austenitic stainless steel were carried out by ultrasonic module in CIVA simulation software.According to the simulation results,the test block was tested with the ISONIC2009 ultrasonic imaging system equipped with the double-sided phased array longitudinal wave probe.It was shown that the results of CIVA simulation were in good agreement with the actual test results,and CIVA software could provide accurate and efficient process guidance for phased array inspection of austenitic stainless steel butt welds,which was to have high application value.

关 键 词：奥氏体不锈钢 厚壁 对接焊缝 超声相控阵 CIVA仿真 

分 类 号：TG115.28[金属学及工艺—物理冶金]